On Wed, 19 May 2021 00:48:18 GMT, Marius Hanl 
<github.com+66004280+mara...@openjdk.org> wrote:

> **Note: I reported the bug already, waiting for approval. Internal tracking 
> id: 9070318. I will update the title as soon as the ticket is created.**
> 
> This PR is fixing a NP, which is thrown when you press ENTER on an editbale 
> table, after it is initially shown.
> 
> When pressing ENTER, **TableViewBehaviorBase#activate** is retrieving the 
> current focused row (**getFocusedCell()**) and from there the corresponding 
> table column.
> This is null, when a table is initially shown. It can also be null, when the 
> items from the underlying table are changed (e.g. **setItems()**) or when 
> **getFocusModel().focus(row)** is used. 
> Therefore, null is a valid value and we should guard against it.

sounds like a duplicate of 
[JDK-8089652](https://bugs.openjdk.java.net/browse/JDK-8089652)  - faintly 
remember that it's a dark pit: there are issues in selection/focus model 
implementations, see f.i. 
[JDK-8219720](https://bugs.openjdk.java.net/browse/JDK-8219720). Starting with 
fixing the NPE is goood :))

-------------

PR: https://git.openjdk.java.net/jfx/pull/505

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